package com.xqb.framework.web.service;

import com.xqb.common.constant.CacheConstants;
import com.xqb.common.constant.Constants;
import com.xqb.common.constant.UserConstants;
import com.xqb.common.core.domain.entity.SysUser;
import com.xqb.common.core.domain.model.LoginByPassBody;
import com.xqb.common.core.domain.model.LoginByPhoneBody;
import com.xqb.common.core.domain.model.LoginUser;
import com.xqb.common.core.redis.RedisCache;
import com.xqb.common.exception.ServiceException;
import com.xqb.common.exception.user.*;
import com.xqb.common.utils.DateUtils;
import com.xqb.common.utils.MessageUtils;
import com.xqb.common.utils.StringUtils;
import com.xqb.common.utils.ip.IpUtils;
import com.xqb.framework.manager.AsyncManager;
import com.xqb.framework.manager.factory.AsyncFactory;
import com.xqb.framework.security.context.AuthenticationContextHolder;
import com.xqb.system.service.ISysConfigService;
import com.xqb.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;

/**
 * 登录校验方法
 * 
 * @author ruoyi
 */
@Component
public class SysLoginService {
    @Autowired
    private TokenService tokenService;

//    @Resource
//    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;
    private final AuthenticationManager authenticationManager;
    private final AuthenticationManager authenticationPhoneManager;

    public SysLoginService(@Qualifier("authenticationManager") AuthenticationManager authenticationManager,
                           @Qualifier("authenticationPhoneManager") AuthenticationManager authenticationPhoneManager) {
        this.authenticationManager = authenticationManager;
        this.authenticationPhoneManager = authenticationPhoneManager;
    }



    /**
     * 密码登录验证
     * @param loginByPassBody 登录信息
     * @return 结果
     */
    public String loginByPass(LoginByPassBody loginByPassBody) {
        String username = loginByPassBody.getUsername();
        String password = loginByPassBody.getPassword();
        String code = loginByPassBody.getCode();
        String uuid = loginByPassBody.getUuid();
        // 验证码校验
        validateCaptcha(username, code, uuid);
        // 登录前置校验
        loginPreCheck(username, password);
        // 用户验证
        Authentication authentication = null;
        try {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }


    public String loginByPhone(LoginByPhoneBody loginByPhoneBody) {
        //校验验证码
        String phone = loginByPhoneBody.getPhoneNumber();
        String code = loginByPhoneBody.getCode();
        String uuid = loginByPhoneBody.getUuid();

        SysUser sysUser = userService.selectUserByPhoneNumber(phone);
        if (sysUser == null) {
            throw new ServiceException("该手机号未注册,请先注册");
        }
        String userName = sysUser.getUserName();

        // 验证码校验
        validateSmsCaptcha(userName, code, uuid);

        Authentication authentication = null; // 用户验证
        try {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(phone, Constants.CUSTOM_LOGIN_SMS);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationPhoneManager.authenticate(authenticationToken);

        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                throw new UserPasswordNotMatchException();          //抛出账号或者密码错误的异常
            } else {
                throw new ServiceException(e.getMessage());         //抛出其他异常
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());                     //修改sys_user最近登录IP和登录时间
        // 生成token
        return tokenService.createToken(loginUser);
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid) {
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled) {
            validateCaptchaInternal(username, code, uuid, CacheConstants.CAPTCHA_CODE_KEY);
        }
    }

    /**
     * 校验短信验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateSmsCaptcha(String username, String code, String uuid) {
        validateCaptchaInternal(username, code, uuid, CacheConstants.SMS_CAPTCHA_CODE_KEY);
    }


    private void validateCaptchaInternal(String username, String code, String uuid, String cacheKeyPrefix) {
        String verifyKey = cacheKeyPrefix + StringUtils.nvl(uuid, "");
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha)) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
            throw new CaptchaException();
        }
    }


    /**
     * 登录前置校验
     *
     * @param username 用户名
     * @param password 用户密码
     */
    public void loginPreCheck(String username, String password) {
        // 用户名或密码为空 错误
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password)) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("not.null")));
            throw new UserNotExistsException();
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // IP黑名单校验
        String blackStr = configService.selectConfigByKey("sys.login.blackIPList");
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("login.blocked")));
            throw new BlackListException();
        }
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId) {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr());
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }


}